Medicare 覆蓋的很多很好。其它的保險（公司/退休）一般是補充Supplement其不覆蓋的/更多需要

例如器官移植全覆蓋

https://www.medicare.gov/coverage/organ-transplants#:~:text=Generally%2C%20Part%20A%20also%20covers,organ%20for%20your%20transplant%20surgery

 

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